Year	Dollars
1992-01-01	1954380
1997-01-01	2361105
2002-01-01	3791262
2003-01-01	4658930
2004-01-01	8538591
2005-01-01	10055176
2006-01-01	10986725
2007-01-01	15249856
2008-01-01	26440286
2009-01-01	7754729
2010-01-01	6865765
2011-01-01	14012951
2012-01-01	10965563
2013-01-01	14242577
2014-01-01	15048743
2015-01-01	11261639
2016-01-01	17726261